# Gemini 3.1 Pro Preview vs GPT-4.5 Preview

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in 6 of 6 shared categories: General LLM, Reasoning, Math, Science, Long context, and Abstraction (ARC).

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

GPT-4.5 Preview: price per 1M tokens is unset in the catalog.

Gemini 3.1 Pro Preview: closed weights.

GPT-4.5 Preview: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in General LLM at #15 against #62.
- Which to pick, Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in Reasoning at #14 against #93.
- Which to pick, Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in Math at #3 against #38.
- Which to pick, Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in Science at #7 against #92.
- Which to pick, Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in Long context at #12 against #76.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, Gemini 3.1 Pro Preview leads GPT-4.5 Preview in Abstraction (ARC) at #2 against #83.

As of Oct 14, 2026, Gemini 3.1 Pro Preview is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 14, 2026, GPT-4.5 Preview is a former state-of-the-art holder in General LLM (since Oct 17, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).